It is narrated from Aws (bin Aws Thaqafi, may Allah be pleased with him): The Messenger of Allah, peace and blessings be upon him, said: "Whoever bathes and causes someone else to bathe on Friday, then goes out early (for Friday prayer), sits near the Imam, listens to the sermon silently, does not engage in idle actions until the Imam finishes, for every step he takes, he will have the reward of a year's fasting and standing (in worship)."
Hadith Referenceسنن دارمي / من كتاب الصللاة / 1586
Sayyiduna Abu Hurairah (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) said: "When the Imam is delivering the Friday sermon and you say to the person sitting next to you, 'Be quiet,' then you yourself have engaged in idle talk."
Hadith Referenceسنن دارمي / من كتاب الصللاة / 1587
It is narrated from Sayyiduna Abu Hurairah, may Allah be pleased with him: The Messenger of Allah, peace and blessings be upon him, said: "If you say to the person sitting next to you, 'Be quiet,' while the Imam is delivering the sermon, then you have engaged in idle talk."
Hadith Referenceسنن دارمي / من كتاب الصللاة / 1588